body {
  margin: 0;
  background-image: url(../images/pf.jpg);
  background-repeat: no-repeat;
  background-size: cover;
}
.top-nav .top {
  width: 100%;
  height: 4.68658465vw;
  line-height: 4.68658465vw;
  background-color: rgba(231, 230, 233, 0);
}
.top-nav .top .container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}
.top-nav .top .ul {
  display: flex;
  flex-direction: row;
  justify-content: center;
}
.top-nav .top .ul .li {
  font-style: normal;
  list-style: none;
  margin-right: 2.92911541vw;
  margin-left: 2.92911541vw;
  font-size: 1.17164616vw;
}
.top-nav .top .ul .li:first-of-type {
  font-size: 1.75746924vw;
  font-style: italic;
}
.top-nav .top .ul .li a {
  text-decoration: none;
  color: #181616;
}
.discuss {
  margin-top: 1.75746924vw;
}
.discuss .wrapper textarea {
  background-color: transparent;
  width: 100%;
  height: 8.78734622vw;
  font-size: 1.75746924vw;
}
.discuss .wrapper button {
  float: right;
  width: 5.85823081vw;
  height: 1.75746924vw;
}
.discuss .list {
  margin-top: 2.92911541vw;
}
.footer {
  text-align: center;
}
